The authors stated: "In a subset of 43 women who met the case definition and who gave permission to contact their physicians, 39 (91%) were...

a. The authors stated: "In a subset of 43 women who met the case definition and who gave permission to contact their physicians, 39 (91%) were confirmed by the physician as having asthma." Based on what you learned this semester, this percentage of 91% is called: